Support column base plate



FIG. 1 is a perspective view of the support column base plate according to the present invention;

FIG. 2 is a reduced scale top plan view thereof;

FIG. 3 is a side elevation view thereof, where the front, rear and opposite side views are mirror images thereof; and,

FIG. 4 is a bottom plan view thereof. 

We claim the ornamental design for a support column base plate, as shown and described. 